Ignitions and Electrical› Ignition Boxes and Components
MSD
Stand Alone Solid State Relay- Black Clean Up Your Wiring With An MSD Solid State Relay Block MSD Ignition
SKU: M00T 75643
Easy — 1–2 hours
Description
It features four independent channels, each capable of handling 20 Amps continuous or 50 Amps for up to 8 seconds. The channels can be activated by either power or ground, and can be run in parallel for higher current devices. The unit includes LED status indicators for each channel and offers built-in over-temp, short circuit, and overload protection.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | MSD |
| Part Number | M00T 75643 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy